//
//  UIViewController+Shadow.h
//  HSYCustomNavigationController
//
//  Created by key on 2017/2/8.
//  Copyright © 2017年 Scho.CustomNavigationController.Demo. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface UIViewController (Shadow)

/**
 设置layer层的阴影效果

 @param ref     阴影颜色
 @param opacity 透明度
 @param radius  圆角
 */
- (void)setShadowForColorRef:(CGColorRef)ref shadowOpacity:(CGFloat)opacity shadowRadius:(CGFloat)radius;

@end
